Math Tools Calculators
Free math tools calculators to help your business grow.
Everyday mathematical tools and converters for quick, reliable calculations.
Overview
When to Use These Calculators
Popular Calculators
Percentage Calculator
Calculate percentages in 4 modes: find what percent X is of Y, find X% of Y, calculate percent increase, or percent decrease between two values.
Tip Calculator
Calculate tip amount, total bill, and split the cost per person. Enter your bill amount, tip percentage, and number of people to split with.
Discount Calculator
Calculate the discount amount, final price after discount, and total savings. Enter the original price and discount percentage to see how much you save.
Ratio Calculator
Simplify ratios or solve cross-multiplication problems. Mode 1 expresses A:B as a decimal ratio. Mode 2 solves A/B = C/D for the unknown D.
Average Calculator
Calculate the mean, sum, minimum, and maximum of up to 10 numbers. Enter your values and specify how many to include in the calculation.
Sales Tax Calculator
Calculate sales tax in two modes: add tax to a pre-tax amount, or extract tax from a post-tax (tax-inclusive) amount. Useful for VAT and GST calculations.